The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO 2 gas when a person breathes out.

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Answer 1

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Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

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Answer 2

Question

Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

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Answer 3

Question

Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

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Answer 4

Question

Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

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Answer 5

Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

Answer 6

Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

Answer 7

Chapter 12, Problem 3BE

Summary Introduction

Concept introduction: The respiratory system is the biological system that consists of specific organs and structures used for the gas exchange in animals and plants. Lungs are the primary organs of the respiratory system in humans and many other animals. It is found in the chest on either side of the heart in the rib cage. The main function of the lungs is to help the oxygen from the air a person breathes in to enter the red cells in the blood. It also helps the body to get rid of the CO₂ gas when a person breathes out.

Answer 8

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Answer 9

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Answer 11

Ch. 12 - Prob. 1AE Ch. 12 - Prob. 2AE Ch. 12 - Prob. 3AE Ch. 12 - Prob. 4AE Ch. 12 - Prob. 5AE Ch. 12 - Prob. 6AE Ch. 12 - Prob. 7AE Ch. 12 - Prob. 8AE Ch. 12 - Prob. 9AE Ch. 12 - Prob. 10AE

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